I would normally call something like that a bag. If I needed to be more specific, I would describe it as vacuum-packed, sealed, or something similar. If you're talking about the smaller sobres of powder to make drinks (tang, kool-aid, etc), I would use "packet".

For example, in the following pictures, I would call that a "packet/bag of (dehydrated) soup" and a "packet of tang".

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psst! I don't know how all of us gringos forgot the most common term: pouch
All the responses we gave you were right. It's just that pouch is the best term. I'm sorry I wasn't quicker.

Yes, "pouch" is good to. If I say things out loud, it helps me think of the best/most common way of saying things.... but the people around me will think I'm a bit off my rocker if I'm staring at the computer screen muttering "packet of tang, bag of tang, envelope of tang, pouch of tang".

__________________· Follow me on Twitter: @tomisimo.
· Check out the Daily Word served up fresh every morning.
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